An article from SCMagzine about Public safety personnel targeted by DoS attacks flooding phone lines:

Telephone lines for public safety and emergency communication workers have been inundated with bogus calls, an attack characterized by the U.S. Department of Homeland Security and FBI as telephony denial-of-service (TDoS), which is being used to extort money from victims.

Last month, both agencies issued a joint alert to public sector personnel at emergency call centers. On Monday, security blogger Brian Krebs posted the security alert on his website, making the news publicly available.

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